8640116 has 6 divisors (see below), whose sum is σ = 15120210. Its totient is φ = 4320056.

The previous prime is 8640109. The next prime is 8640133. The reversal of 8640116 is 6110468.

8640116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6250000 + 2390116 = 2500^2 + 1546^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080011 + ... + 1080018.

It is an arithmetic number, because the mean of its divisors is an integer number (2520035).

Almost surely, 2^8640116 is an apocalyptic number.

It is an amenable number.

8640116 is a deficient number, since it is larger than the sum of its proper divisors (6480094).

8640116 is a wasteful number, since it uses less digits than its factorization.

8640116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160033 (or 2160031 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 8640116 is about 2939.4074232743. The cubic root of 8640116 is about 205.1980319175.

The spelling of 8640116 in words is "eight million, six hundred forty thousand, one hundred sixteen".